/*
 * Copyright 2010 Katsunori Koyanagi
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package sweezy.anim.timer
{
	import flash.display.Shape;
	import flash.events.Event;
	import flash.utils.getTimer;
	import sweezy.anim.core.ITimer;

	public class EnterFrameEventTimer extends TimerBase implements ITimer
	{

		private var _shape:Shape;

		public function EnterFrameEventTimer()
		{
		}

		override protected function onDestroy():void
		{
			_shape.removeEventListener(Event.ENTER_FRAME, enterFrameHandler);
			_shape = null;
		}

		override protected function onInitialize():void
		{
			_shape = new Shape();
			_shape.addEventListener(Event.ENTER_FRAME, enterFrameHandler);
		}

		private function enterFrameHandler(e:Event):void
		{
			_client.tick(_time = getTimer());
		}
	}
}
